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[vek-shuh n] /ˈvɛk ʃən/
noun, Medicine/Medical
the transference of a disease from one person to another.
Origin of vection
1600-10; < Latin vectiōn- (stem of vectiō a carrying). See vector, -tion Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for vection
  • The phenomenon of perceiving illusory self-motion from vision alone is called vection.
  • Free con- vection currents are set up by the temperature difference between the cover and absorber.
  • The sum effect is that the heat transport, due to con- vection, becomes small.
  • Most river models are concerned only with downstream ad- vection and dispersion.
  • These tracers are subject to ad- vection with the water currents and to turbulent diffusion.
  • Heat transfer at the interface is carried on by atmospheric con- vection, radiation, and evaporation.
  • In this situation, rapid diffusion and ad- vection will be promoted.
vection in Medicine

vection vec·tion (věk'shən)
The transference of pathogens from the sick to the healthy by a vector.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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